Learn how to calculate the Earth’s orbital speed using fundamental principles of orbital mechanics and gravity. This video walks through the key equations and physical reasoning that explain how Earth ...

Gene Roddenberry's idea for Earth: Final Conflict took 21 years to come to fruition, and when it did, it seemed a bit too ...

The craters bear the names of astronomers who revolutionized our understanding of the night sky.

When my colleagues and I send them out to explore our solar system, it's important for us to understand the 3D map of our ...

New research suggests that the Earth's solid inner core is softer and more dynamic than previously thought, changing ideas.

In one billion years, Earth will be shaped by forces already in motion today. The Sun will burn brighter, continents will continue to drift, and climates will change beyond anything humans have ...

In the bigger picture, "down" could be defined as being below the plane of the solar system, which is known as the ecliptic.

Starfish move without a brain by using tiny feet that react locally to pressure and weight during crawling across surfaces.

Sometimes to truly study something up close, you have to take a step back. That's what Andrea Donnellan does. An expert in ...

In addition to shaping the interior of rocky planets, molten rock located deep within these planets may also contribute to ...

From Casino Royale to Step Brothers these movies are the most rewatchable of the 21st Century's output. At least thus far.

We have all been taught in school that planets revolve in the same direction as the Earth, i.e., in the counterclockwise ...